Home / United States / Oil refineries / Marathon Saint Paul Refinery

Marathon Saint Paul Refinery

Refinery in United States. Approximate location 44.85101, -92.99434.

RefineryUnited StatesCO₂ estimate (modelled)

Marathon Saint Paul Refinery is a refinery in United States. Refineries heat, fractionate and chemically transform crude oil into fuels and petrochemical feedstocks through energy-intensive distillation and cracking — extremely demanding on steam generation and heat recovery. It is operated by Marathon Petroleum Corp. It emits about 1,153,039 t CO₂e a year from Climate TRACE, roughly comparable to the annual emissions of 269k passenger cars.

1,153,039t CO₂e / yr (Climate TRACE)
#106CO₂ rank in United States

Facility data: Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0), id ct-1753326.

Data status

Known source data

FacilityMarathon Saint Paul Refinery Climate TRACE
CountryUnited States Climate TRACE
Coordinates44.85101, -92.99434 Climate TRACE
Sector / subsectoroil-and-gas-refining Climate TRACE
Owner / operatorMarathon Petroleum Corp Climate TRACE
EPA parent companyMARATHON PETROLEUM CORP US EPA GHGRP
EPA NAICS324110 US EPA GHGRP
TRI facility recordST PAUL PARK REFINING CO LLC US EPA TRI
TRI parent companyMARATHON PETROLEUM CORP US EPA TRI
TRI NAICS324110 US EPA TRI
TRI reported chemicals1,2,4-Trimethylbenzene, 1,3-Butadiene, Ammonia, Benzene, Benzo[g,h,i]perylene, Carbon disulfide… US EPA TRI
TRI on-site releases257,633 lb/yr US EPA TRI
Modelled CO₂e1,153,039 t/yr Climate TRACE

Calculated from the dataset

United States rank#106 of 1910 · top 5.5% calculated
Global oil-and-gas-refining rank#282 of 630 · top 44.8% calculated
Climate contextderived from coordinates calculated

Not available

Fuel typeNot available not in dataset
Thermal capacity (MW)Not available not in dataset

Source data, measured cross-checks and calculated values are kept separate. No confidence percentage is invented.

Similar facilities by modelled emissions

Same Climate TRACE subsector; closest non-placeholder modelled CO₂e values. Russia and Belarus excluded.

Operating power plants within 50 km

PowerAtlas operating assets, ordered by great-circle distance from published coordinates.

In context: how this facility compares

Subsector: oil-and-gas-refining. As refinery, it requires high process heat (typically 200–600°C) for its core industrial operations — heat that must be supplied by boilers, furnaces or direct combustion, and losses through uninsulated vessels and piping represent wasted fuel. Removable modular insulation can cut those losses by 80–96%, surface-cooling equipment to ≤45°C, with payback often under 2 years. Refineries heat, fractionate and chemically transform crude oil into fuels and petrochemical feedstocks through energy-intensive distillation and cracking — extremely demanding on steam generation and heat recovery.

Capacity & CO₂-intensity comparison computed from Climate TRACE industrial facilities data; sector role based on engineering reference.

What 1,153,039 t CO₂e a year looks like

This facility's estimated annual CO₂e (Climate TRACE, modelled) in everyday equivalents from the US EPA Greenhouse Gas Equivalencies calculator:

269kcars driven for a year
150khomes' annual energy use
19 milliontree seedlings grown 10 years

Equivalencies: US EPA Greenhouse Gas Equivalencies. Emissions: Climate TRACE.

Carbon cost, Scope 1 & decarbonization potential

At its reported 1.2M t CO₂e/yr (Scope 1), Marathon Saint Paul Refinery carries no domestic carbon price; refinerys are not a CBAM-covered good, so there is no border-carbon liability. At the EU ETS reference price (€75/t) the emissions carry an indicative carbon value of €86.9M/yr. The fastest decarbonization lever is energy efficiency: eliminating heat loss on hot equipment (removable insulation, steam & waste-heat recovery) typically cuts 2–5% of fuel-related CO₂ — here ≈23k t–58k t/yr, worth €1.7M€4.3M, with payback up to 2 years. No domestic carbon price — but cement, steel, aluminium, fertilizer and hydrogen exported to the EU face CBAM at €75/t (rising to 100% by 2034).

1.2M t CO₂e / yrScope 1 emissions
€86.9M/yrindicative carbon value (not a CBAM liability)
23k t–58k t/yr ≈ €1.7M€4.3MDecarbonization potential

Carbon price: EU CBAM €75/t · EU ETS €79/t, July 2, 2026, refreshed live via Carbon Hub. CO₂: Climate TRACE. Efficiency range: US DOE / ASTM C680 (method). Indicative carbon value, not the cash bill — free allocation applies; not compliance advice. Estimate the saving for this site →

Operator

Operated by Marathon Petroleum Corp. All facilities by this operator →

Local climate

Marathon Saint Paul Refinery sits in a hot-summer humid continental climate zone (Köppen Dfa), at 44.9°N in the northern hemisphere.

~9°Ctypical annual mean
~23°Ctypical warm-season
Hot-summer humid continental: four distinct seasons — cold winters and warm summers

Köppen zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid).

Site climate & environmental severity

The local climate sets how fast unprotected steel, protective coatings and the insulation on hot process equipment degrade at this site. It sits in a mild atmospheric environment (estimated ISO 9223 class C2 — Low), with thermal cycling the leading environmental stress.

C2ISO 9223 corrosivity (indicative)
34/100environmental-severity index
33.1°Cseasonal temperature swing
350 kmdistance to coast
LowCUI risk tier

In this site’s local climate, a bare 150 °C surface sheds about 1428 W/m² to ambient — roughly 1.10× the loss at a 20 °C reference; removable insulation recovers about 1357 W/m² of that. Reference-surface calculation at a 150 °C surface from WorldClim climate normals (ASTM C680 / ISO 12241) — an indicative per-climate comparison, not a measurement of this site’s specific equipment. Open method dataset: DOI 10.5281/zenodo.20787408 (CC BY 4.0).

Higher environmental severity is exactly where protective removable insulation pays back most: a sheltered micro-climate slows corrosion, UV and thermal-cycling damage and extends outdoor hardware service life. This is an indicative site-climate context — not a condition assessment of any specific plant or operator.

Indicative estimate via the ISO 9223:2012 informative method (atmospheric corrosivity from temperature, time-of-wetness and airborne salinity), using WorldClim climate normals, the Köppen-Geiger class and coast distance. Indicative, not a measured corrosion rate.

How it compares & nearby sites

Nearby industrial sites

Location

Coordinates 44.85101, -92.99434. View on OpenStreetMap.

Heat loss & insulation profile

For a refinery, the main modular-insulation targets are crude & vacuum distillation columns, fired heaters, heat exchangers, steam lines, valves & flanges. Typical hot-surface ranges used for screening: 150–550 °C.

Indicative recoverable energy

A first-pass insulation screen suggests about 45,000 MWh/year of recoverable heat-loss reduction and about 9,100 t CO₂e/year of avoided emissions. Screening estimate scaled from installed process-heat projects and surface-temperature reduction data.

See Inzonex Modular Insulation → Run the calculator →

Screening calculation from facility class, capacity and open emissions/energy context. Engineering survey required before procurement.

Safety & the no-regret first step

Start with a thermal survey of valves, flanges, doors and bends. Removable modular insulation keeps maintenance access open while lowering exposed-surface temperature and wasted heat.

United States: funding & obligation

Funding. Investment tax credit up to 30% of qualified investment incl. industrial decarbonization; open to small/medium/large manufacturers. official source · verified 2026
Status: ~$6B of $10B allocated Jan-2025; remaining capacity + IRA status under political review — verify before 'apply now'.

Obligation. None at federal level (voluntary). Some states have their own programs. (applies as a rule above the stated threshold — we do not hold this site's metered energy use). · verified 2026

Programme terms verified 2026-06-18; confirm the current open phase before applying. Eligibility depends on a site's energy use / headcount, which we do not hold — not a per-facility eligibility determination.

Frequently asked questions

What type of facility is Marathon Saint Paul Refinery?

Marathon Saint Paul Refinery is a refinery in United States. Refineries heat, fractionate and chemically transform crude oil into fuels and petrochemical feedstocks through energy-intensive distillation and cracking — extremely demanding on steam generation and heat recovery.

How much CO₂ does Marathon Saint Paul Refinery emit?

The page uses about 1,153,039 t CO₂e/year from the open dataset It ranks #106 among facilities in United States by estimated CO₂.

Where is Marathon Saint Paul Refinery located?

Marathon Saint Paul Refinery is in United States at approximately 44.85101, -92.99434.

Who operates Marathon Saint Paul Refinery?

The operator recorded in the open dataset is Marathon Petroleum Corp.

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